njrat | 620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76

General

Target

620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe
Size

23KB
MD5

17cc6273ddcc75aa7939ef97a68c668c
SHA1

56d9c0518b83511b8d7fdcf283fc85ea7a182239
SHA256

620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76
SHA512

00570b5d51ec88dca4ae54701b75dce30460cfae3bdcb89629cfea10e3330421f054786f773c5f45d18f360c94e3c72be4f8d49bd83b50099717e5222e15b872
SSDEEP

384:j+n2650N3qZbATcjRGC5Eo9D46BgnqUhay1ZmRvR6JZlbw8hqIusZzZISh:8m+71d5XRpcnuA

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

roko.duckdns.org:5552

Mutex

ef079888227114979c4e345155367379

Attributes

reg_key
ef079888227114979c4e345155367379
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

conhostr.exe

pid process

516 conhostr.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

896 netsh.exe

pid	process
516	conhostr.exe

pid	process
896	netsh.exe

Drops startup file 2 IoCs

Processes:

conhostr.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ef079888227114979c4e345155367379.exe	conhostr.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ef079888227114979c4e345155367379.exe	conhostr.exe

Loads dropped DLL 1 IoCs

Processes:

620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe

pid process

948 620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe

pid	process
948	620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

conhostr.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\ef079888227114979c4e345155367379 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\conhostr.exe\" .."	conhostr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ef079888227114979c4e345155367379 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\conhostr.exe\" .."	conhostr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 13 IoCs

Processes:

conhostr.exe

description	pid	process
Token: SeDebugPrivilege	516	conhostr.exe
Token: 33	516	conhostr.exe
Token: SeIncBasePriorityPrivilege	516	conhostr.exe
Token: 33	516	conhostr.exe
Token: SeIncBasePriorityPrivilege	516	conhostr.exe
Token: 33	516	conhostr.exe
Token: SeIncBasePriorityPrivilege	516	conhostr.exe
Token: 33	516	conhostr.exe
Token: SeIncBasePriorityPrivilege	516	conhostr.exe
Token: 33	516	conhostr.exe
Token: SeIncBasePriorityPrivilege	516	conhostr.exe
Token: 33	516	conhostr.exe
Token: SeIncBasePriorityPrivilege	516	conhostr.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.execonhostr.exe

description	pid	process	target process
PID 948 wrote to memory of 516	948	620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe	conhostr.exe
PID 948 wrote to memory of 516	948	620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe	conhostr.exe
PID 948 wrote to memory of 516	948	620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe	conhostr.exe
PID 948 wrote to memory of 516	948	620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe	conhostr.exe
PID 516 wrote to memory of 896	516	conhostr.exe	netsh.exe
PID 516 wrote to memory of 896	516	conhostr.exe	netsh.exe
PID 516 wrote to memory of 896	516	conhostr.exe	netsh.exe
PID 516 wrote to memory of 896	516	conhostr.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe
"C:\Users\Admin\AppData\Local\Temp\620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:948

C:\Users\Admin\AppData\Local\Temp\conhostr.exe
"C:\Users\Admin\AppData\Local\Temp\conhostr.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:516

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\conhostr.exe" "conhostr.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:896

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\conhostr.exe
Filesize
23KB

MD5
17cc6273ddcc75aa7939ef97a68c668c

SHA1
56d9c0518b83511b8d7fdcf283fc85ea7a182239

SHA256
620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76

SHA512
00570b5d51ec88dca4ae54701b75dce30460cfae3bdcb89629cfea10e3330421f054786f773c5f45d18f360c94e3c72be4f8d49bd83b50099717e5222e15b872

Download Submit
C:\Users\Admin\AppData\Local\Temp\conhostr.exe
Filesize
23KB

MD5
17cc6273ddcc75aa7939ef97a68c668c

SHA1
56d9c0518b83511b8d7fdcf283fc85ea7a182239

SHA256
620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76

SHA512
00570b5d51ec88dca4ae54701b75dce30460cfae3bdcb89629cfea10e3330421f054786f773c5f45d18f360c94e3c72be4f8d49bd83b50099717e5222e15b872

Download Submit
\Users\Admin\AppData\Local\Temp\conhostr.exe
Filesize
23KB

MD5
17cc6273ddcc75aa7939ef97a68c668c

SHA1
56d9c0518b83511b8d7fdcf283fc85ea7a182239

SHA256
620a8d63edc730205b9a30e5516512c42b6f38eb10120d8020dc1724318b2f76

SHA512
00570b5d51ec88dca4ae54701b75dce30460cfae3bdcb89629cfea10e3330421f054786f773c5f45d18f360c94e3c72be4f8d49bd83b50099717e5222e15b872

Download Submit
memory/516-58-0x0000000000000000-mapping.dmp

Download
memory/516-63-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/516-66-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/896-64-0x0000000000000000-mapping.dmp

Download
memory/948-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download
memory/948-55-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/948-56-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/948-62-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads